Olsen, E. (1971). International trade theory and regional income differences;: United States 1880-1950. Amsterdam,: North-Holland Pub. Co..
Chicago Style CitationOlsen, Erling. International Trade Theory and Regional Income Differences;: United States 1880-1950. Amsterdam,: North-Holland Pub. Co., 1971.
MLA CitationOlsen, Erling. International Trade Theory and Regional Income Differences;: United States 1880-1950. Amsterdam,: North-Holland Pub. Co., 1971.
Warning: These citations may not always be 100% accurate.